]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/mapblock_mesh.cpp
6d facedir
[dragonfireclient.git] / src / mapblock_mesh.cpp
index c871b6dbe460c3fd0af4d5594f1099ab39204474..f68a79e411c77f88ee5a41c9788e7af3dad31052 100644 (file)
@@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
@@ -32,6 +32,16 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "settings.h"
 #include "util/directiontables.h"
 
+float srgb_linear_multiply(float f, float m, float max)
+{
+       f = f * f; // SRGB -> Linear
+       f *= m;
+       f = sqrt(f); // Linear -> SRGB
+       if(f > max)
+               f = max;
+       return f;
+}
+
 /*
        MeshMakeData
 */
@@ -435,7 +445,7 @@ struct FastFace
 };
 
 static void makeFastFace(TileSpec tile, u16 li0, u16 li1, u16 li2, u16 li3,
-               v3f p, v3s16 dir, v3f scale, core::array<FastFace> &dest)
+               v3f p, v3s16 dir, v3f scale, u8 light_source, std::vector<FastFace> &dest)
 {
        FastFace face;
        
@@ -445,6 +455,80 @@ static void makeFastFace(TileSpec tile, u16 li0, u16 li1, u16 li2, u16 li3,
        v3f vertex_pos[4];
        v3s16 vertex_dirs[4];
        getNodeVertexDirs(dir, vertex_dirs);
+       v3s16 t;
+       switch (tile.rotation)
+       {
+       case 0:
+               break;
+       case 1: //R90
+               t = vertex_dirs[0];
+               vertex_dirs[0] = vertex_dirs[3];
+               vertex_dirs[3] = vertex_dirs[2];
+               vertex_dirs[2] = vertex_dirs[1];
+               vertex_dirs[1] = t;
+               break;
+       case 2: //R180
+               t = vertex_dirs[0];
+               vertex_dirs[0] = vertex_dirs[2];
+               vertex_dirs[2] = t;
+               t = vertex_dirs[1];
+               vertex_dirs[1] = vertex_dirs[3];
+               vertex_dirs[3] = t;
+               break;
+       case 3: //R270
+               t = vertex_dirs[0];
+               vertex_dirs[0] = vertex_dirs[1];
+               vertex_dirs[1] = vertex_dirs[2];
+               vertex_dirs[2] = vertex_dirs[3];
+               vertex_dirs[3] = t;
+               break;
+       case 4: //FXR90
+               t = vertex_dirs[0];
+               vertex_dirs[0] = vertex_dirs[3];
+               vertex_dirs[3] = vertex_dirs[2];
+               vertex_dirs[2] = vertex_dirs[1];
+               vertex_dirs[1] = t;
+               tile.texture.pos.Y += tile.texture.size.Y;
+               tile.texture.size.Y *= -1;
+               break;
+       case 5: //FXR270
+               t = vertex_dirs[0];
+               vertex_dirs[0] = vertex_dirs[1];
+               vertex_dirs[1] = vertex_dirs[2];
+               vertex_dirs[2] = vertex_dirs[3];
+               vertex_dirs[3] = t;
+               tile.texture.pos.Y += tile.texture.size.Y;
+               tile.texture.size.Y *= -1;
+               break;
+       case 6: //FYR90
+               t = vertex_dirs[0];
+               vertex_dirs[0] = vertex_dirs[3];
+               vertex_dirs[3] = vertex_dirs[2];
+               vertex_dirs[2] = vertex_dirs[1];
+               vertex_dirs[1] = t;
+               tile.texture.pos.X += tile.texture.size.X;
+               tile.texture.size.X *= -1;
+               break;
+       case 7: //FYR270
+               t = vertex_dirs[0];
+               vertex_dirs[0] = vertex_dirs[1];
+               vertex_dirs[1] = vertex_dirs[2];
+               vertex_dirs[2] = vertex_dirs[3];
+               vertex_dirs[3] = t;
+               tile.texture.pos.X += tile.texture.size.X;
+               tile.texture.size.X *= -1;
+               break;
+       case 8: //FX
+               tile.texture.pos.Y += tile.texture.size.Y;
+               tile.texture.size.Y *= -1;
+               break;
+       case 9: //FY
+               tile.texture.pos.X += tile.texture.size.X;
+               tile.texture.size.X *= -1;
+               break;
+       default:
+               break;
+       }
        for(u16 i=0; i<4; i++)
        {
                vertex_pos[i] = v3f(
@@ -477,16 +561,16 @@ static void makeFastFace(TileSpec tile, u16 li0, u16 li1, u16 li2, u16 li3,
        float h = tile.texture.size.Y;
 
        face.vertices[0] = video::S3DVertex(vertex_pos[0], normal,
-                       MapBlock_LightColor(alpha, li0),
+                       MapBlock_LightColor(alpha, li0, light_source),
                        core::vector2d<f32>(x0+w*abs_scale, y0+h));
        face.vertices[1] = video::S3DVertex(vertex_pos[1], normal,
-                       MapBlock_LightColor(alpha, li1),
+                       MapBlock_LightColor(alpha, li1, light_source),
                        core::vector2d<f32>(x0, y0+h));
        face.vertices[2] = video::S3DVertex(vertex_pos[2], normal,
-                       MapBlock_LightColor(alpha, li2),
+                       MapBlock_LightColor(alpha, li2, light_source),
                        core::vector2d<f32>(x0, y0));
        face.vertices[3] = video::S3DVertex(vertex_pos[3], normal,
-                       MapBlock_LightColor(alpha, li3),
+                       MapBlock_LightColor(alpha, li3, light_source),
                        core::vector2d<f32>(x0+w*abs_scale, y0));
 
        face.tile = tile;
@@ -591,60 +675,50 @@ TileSpec getNodeTile(MapNode mn, v3s16 p, v3s16 dir, MeshMakeData *data)
        //  5 = (0,0,-1)
        //  6 = (0,-1,0)
        //  7 = (-1,0,0)
-       u8 dir_i = (dir.X + 2 * dir.Y + 3 * dir.Z) & 7;
+       u8 dir_i = ((dir.X + 2 * dir.Y + 3 * dir.Z) & 7)*2;
 
        // Get rotation for things like chests
        u8 facedir = mn.getFaceDir(ndef);
-       assert(facedir <= 3);
-       
-       static const u8 dir_to_tile[4 * 8] =
+       assert(facedir <= 23);
+       static const u16 dir_to_tile[24 * 16] =
        {
-               // 0  +X  +Y  +Z   0  -Z  -Y  -X
-                  0,  2,  0,  4,  0,  5,  1,  3,  // facedir = 0
-                  0,  4,  0,  3,  0,  2,  1,  5,  // facedir = 1
-                  0,  3,  0,  5,  0,  4,  1,  2,  // facedir = 2
-                  0,  5,  0,  2,  0,  3,  1,  4,  // facedir = 3
+               // 0     +X    +Y    +Z           -Z    -Y    -X   ->   value=tile,rotation  
+                  0,0,  2,0 , 0,0 , 4,0 ,  0,0,  5,0 , 1,0 , 3,0 ,  // rotate around y+ 0 - 3
+                  0,0,  4,0 , 0,3 , 3,0 ,  0,0,  2,0 , 1,1 , 5,0 ,
+                  0,0,  3,0 , 0,2 , 5,0 ,  0,0,  4,0 , 1,2 , 2,0 ,
+                  0,0,  5,0 , 0,1 , 2,0 ,  0,0,  3,0 , 1,3 , 4,0 ,
+
+                  0,0,  2,3 , 5,0 , 0,2 ,  0,0,  1,0 , 4,2 , 3,1 ,  // rotate around z+ 4 - 7
+                  0,0,  4,3 , 2,0 , 0,3 ,  0,0,  1,1 , 3,2 , 5,1 ,
+                  0,0,  3,3 , 4,0 , 0,0 ,  0,0,  1,2 , 5,2 , 2,1 ,
+                  0,0,  5,3 , 3,0 , 0,1 ,  0,0,  1,3 , 2,2 , 4,1 ,
+
+                  0,0,  2,1 , 4,2 , 1,2 ,  0,0,  0,0 , 5,0 , 3,3 ,  // rotate around z- 8 - 11
+                  0,0,  4,1 , 3,2 , 1,3 ,  0,0,  0,3 , 2,0 , 5,3 ,
+                  0,0,  3,1 , 5,2 , 1,0 ,  0,0,  0,2 , 4,0 , 2,3 ,
+                  0,0,  5,1 , 2,2 , 1,1 ,  0,0,  0,1 , 3,0 , 4,3 ,
+
+                  0,0,  0,3 , 3,3 , 4,1 ,  0,0,  5,3 , 2,3 , 1,3 ,  // rotate around x+ 12 - 15
+                  0,0,  0,2 , 5,3 , 3,1 ,  0,0,  2,3 , 4,3 , 1,0 ,
+                  0,0,  0,1 , 2,3 , 5,1 ,  0,0,  4,3 , 3,3 , 1,1 ,
+                  0,0,  0,0 , 4,3 , 2,1 ,  0,0,  3,3 , 5,3 , 1,2 ,
+                  
+                  0,0,  1,1 , 2,1 , 4,3 ,  0,0,  5,1 , 3,1 , 0,1 ,  // rotate around x- 16 - 19  
+                  0,0,  1,2 , 4,1 , 3,3 ,  0,0,  2,1 , 5,1 , 0,0 ,
+                  0,0,  1,3 , 3,1 , 5,3 ,  0,0,  4,1 , 2,1 , 0,3 ,  
+                  0,0,  1,0 , 5,1 , 2,3 ,  0,0,  3,1 , 4,1 , 0,2 ,  
+               
+                  0,0,  3,2 , 1,2 , 4,2 ,  0,0,  5,2 , 0,2 , 2,2 ,  // rotate around y- 20 - 23
+                  0,0,  5,2 , 1,3 , 3,2 ,  0,0,  2,2 , 0,1 , 4,2 ,  
+                  0,0,  2,2 , 1,0 , 5,2 ,  0,0,  4,2 , 0,0 , 3,2 ,  
+                  0,0,  4,2 , 1,1 , 2,2 ,  0,0,  3,2 , 0,3 , 5,2   
+                  
        };
-       u8 tileindex = dir_to_tile[facedir*8 + dir_i];
-
-       // If not rotated or is side tile, we're done
-       if(facedir == 0 || (tileindex != 0 && tileindex != 1))
-               return getNodeTileN(mn, p, tileindex, data);
-
-       // This is the top or bottom tile, and it shall be rotated; thus rotate it
-       TileSpec spec = getNodeTileN(mn, p, tileindex, data);
-       if(tileindex == 0){
-               if(facedir == 1){ // -90
-                       std::string name = data->m_gamedef->tsrc()->getTextureName(spec.texture.id);
-                       name += "^[transformR270";
-                       spec.texture = data->m_gamedef->tsrc()->getTexture(name);
-               }
-               else if(facedir == 2){ // 180
-                       spec.texture.pos += spec.texture.size;
-                       spec.texture.size *= -1;
-               }
-               else if(facedir == 3){ // 90
-                       std::string name = data->m_gamedef->tsrc()->getTextureName(spec.texture.id);
-                       name += "^[transformR90";
-                       spec.texture = data->m_gamedef->tsrc()->getTexture(name);
-               }
-       }
-       else if(tileindex == 1){
-               if(facedir == 1){ // -90
-                       std::string name = data->m_gamedef->tsrc()->getTextureName(spec.texture.id);
-                       name += "^[transformR90";
-                       spec.texture = data->m_gamedef->tsrc()->getTexture(name);
-               }
-               else if(facedir == 2){ // 180
-                       spec.texture.pos += spec.texture.size;
-                       spec.texture.size *= -1;
-               }
-               else if(facedir == 3){ // 90
-                       std::string name = data->m_gamedef->tsrc()->getTextureName(spec.texture.id);
-                       name += "^[transformR270";
-                       spec.texture = data->m_gamedef->tsrc()->getTexture(name);
-               }
-       }
+       u16 tile_index=facedir*16 + dir_i;
+       TileSpec spec = getNodeTileN(mn, p, dir_to_tile[tile_index], data);
+       spec.rotation=dir_to_tile[tile_index + 1];
+       std::string name = data->m_gamedef->tsrc()->getTextureName(spec.texture.id);
+       spec.texture = data->m_gamedef->tsrc()->getTexture(name);
        return spec;
 }
 
@@ -658,7 +732,8 @@ static void getTileInfo(
                v3s16 &p_corrected,
                v3s16 &face_dir_corrected,
                u16 *lights,
-               TileSpec &tile
+               TileSpec &tile,
+               u8 &light_source
        )
 {
        VoxelManipulator &vmanip = data->m_vmanip;
@@ -688,18 +763,20 @@ static void getTileInfo(
                tile = tile0;
                p_corrected = p;
                face_dir_corrected = face_dir;
+               light_source = ndef->get(n0).light_source;
        }
        else
        {
                tile = tile1;
                p_corrected = p + face_dir;
                face_dir_corrected = -face_dir;
+               light_source = ndef->get(n1).light_source;
        }
        
        // eg. water and glass
        if(equivalent)
                tile.material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
-       
+
        if(data->m_smooth_lighting == false)
        {
                lights[0] = lights[1] = lights[2] = lights[3] =
@@ -732,7 +809,7 @@ static void updateFastFaceRow(
                v3f translate_dir_f,
                v3s16 face_dir,
                v3f face_dir_f,
-               core::array<FastFace> &dest)
+               std::vector<FastFace> &dest)
 {
        v3s16 p = startpos;
        
@@ -743,9 +820,10 @@ static void updateFastFaceRow(
        v3s16 face_dir_corrected;
        u16 lights[4] = {0,0,0,0};
        TileSpec tile;
+       u8 light_source = 0;
        getTileInfo(data, p, face_dir, 
                        makes_face, p_corrected, face_dir_corrected,
-                       lights, tile);
+                       lights, tile, light_source);
 
        for(u16 j=0; j<MAP_BLOCKSIZE; j++)
        {
@@ -759,6 +837,7 @@ static void updateFastFaceRow(
                v3s16 next_face_dir_corrected;
                u16 next_lights[4] = {0,0,0,0};
                TileSpec next_tile;
+               u8 next_light_source = 0;
                
                // If at last position, there is nothing to compare to and
                // the face must be drawn anyway
@@ -769,7 +848,7 @@ static void updateFastFaceRow(
                        getTileInfo(data, p_next, face_dir,
                                        next_makes_face, next_p_corrected,
                                        next_face_dir_corrected, next_lights,
-                                       next_tile);
+                                       next_tile, next_light_source);
                        
                        if(next_makes_face == makes_face
                                        && next_p_corrected == p_corrected + translate_dir
@@ -778,7 +857,9 @@ static void updateFastFaceRow(
                                        && next_lights[1] == lights[1]
                                        && next_lights[2] == lights[2]
                                        && next_lights[3] == lights[3]
-                                       && next_tile == tile)
+                                       && next_tile == tile
+                                       && tile.rotation == 0
+                                       && next_light_source == light_source)
                        {
                                next_is_different = false;
                        }
@@ -854,7 +935,7 @@ static void updateFastFaceRow(
                                }
                                
                                makeFastFace(tile, lights[0], lights[1], lights[2], lights[3],
-                                               sp, face_dir_corrected, scale,
+                                               sp, face_dir_corrected, scale, light_source,
                                                dest);
                                
                                g_profiler->avg("Meshgen: faces drawn by tiling", 0);
@@ -873,6 +954,7 @@ static void updateFastFaceRow(
                        lights[2] = next_lights[2];
                        lights[3] = next_lights[3];
                        tile = next_tile;
+                       light_source = next_light_source;
                }
                
                p = p_next;
@@ -880,7 +962,7 @@ static void updateFastFaceRow(
 }
 
 static void updateAllFastFaceRows(MeshMakeData *data,
-               core::array<FastFace> &dest)
+               std::vector<FastFace> &dest)
 {
        /*
                Go through every y,z and get top(y+) faces in rows of x+
@@ -945,7 +1027,7 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data):
        // 24-155ms for MAP_BLOCKSIZE=32  (NOTE: probably outdated)
        //TimeTaker timer1("MapBlockMesh()");
 
-       core::array<FastFace> fastfaces_new;
+       std::vector<FastFace> fastfaces_new;
 
        /*
                We are including the faces of the trailing edges of the block.
@@ -1058,18 +1140,28 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data):
                        os<<"^[verticalframe:"<<(int)p.tile.animation_frame_count<<":0";
                        p.tile.texture = tsrc->getTexture(os.str());
                }
-               // - Lighting
-               for(u32 j = 0; j < p.vertices.size(); j++)
+               // - Classic lighting (shaders handle this by themselves)
+               if(!enable_shaders)
                {
-                       video::SColor &vc = p.vertices[j].Color;
-                       u8 day = vc.getRed();
-                       u8 night = vc.getGreen();
-                       finalColorBlend(vc, day, night, 1000);
-                       if(day != night)
-                               m_daynight_diffs[i][j] = std::make_pair(day, night);
+                       for(u32 j = 0; j < p.vertices.size(); j++)
+                       {
+                               video::SColor &vc = p.vertices[j].Color;
+                               // Set initial real color and store for later updates
+                               u8 day = vc.getRed();
+                               u8 night = vc.getGreen();
+                               finalColorBlend(vc, day, night, 1000);
+                               if(day != night)
+                                       m_daynight_diffs[i][j] = std::make_pair(day, night);
+                               // Brighten topside (no shaders)
+                               if(p.vertices[j].Normal.Y > 0.5)
+                               {
+                                       vc.setRed  (srgb_linear_multiply(vc.getRed(),   1.3, 255.0));
+                                       vc.setGreen(srgb_linear_multiply(vc.getGreen(), 1.3, 255.0));
+                                       vc.setBlue (srgb_linear_multiply(vc.getBlue(),  1.3, 255.0));
+                               }
+                       }
                }
 
-
                // Create material
                video::SMaterial material;
                material.setFlag(video::EMF_LIGHTING, false);
@@ -1081,14 +1173,10 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data):
                material.MaterialType
                                = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
                material.setTexture(0, p.tile.texture.atlas);
-               p.tile.applyMaterialOptions(material);
-
-               if(enable_shaders){
-                       if(material.MaterialType == video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF)
-                               material.MaterialType = shadermat1;
-                       if(material.MaterialType == video::EMT_TRANSPARENT_VERTEX_ALPHA)
-                               material.MaterialType = shadermat2;
-               }
+               if(enable_shaders)
+                       p.tile.applyMaterialOptionsWithShaders(material, shadermat1, shadermat2);
+               else
+                       p.tile.applyMaterialOptions(material);
 
                // Create meshbuffer
 
@@ -1101,8 +1189,8 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data):
                m_mesh->addMeshBuffer(buf);
                // Mesh grabbed it
                buf->drop();
-               buf->append(p.vertices.pointer(), p.vertices.size(),
-                               p.indices.pointer(), p.indices.size());
+               buf->append(&p.vertices[0], p.vertices.size(),
+                               &p.indices[0], p.indices.size());
        }
 
        /*
@@ -1224,6 +1312,14 @@ bool MapBlockMesh::animate(bool faraway, float time, int crack, u32 daynight_rat
                                u8 night = j->second.second;
                                finalColorBlend(vertices[vertexIndex].Color,
                                                day, night, daynight_ratio);
+                               // Brighten topside (no shaders)
+                               if(vertices[vertexIndex].Normal.Y > 0.5)
+                               {
+                                       video::SColor &vc = vertices[vertexIndex].Color;
+                                       vc.setRed  (srgb_linear_multiply(vc.getRed(),   1.3, 255.0));
+                                       vc.setGreen(srgb_linear_multiply(vc.getGreen(), 1.3, 255.0));
+                                       vc.setBlue (srgb_linear_multiply(vc.getBlue(),  1.3, 255.0));
+                               }
                        }
                }
                m_last_daynight_ratio = daynight_ratio;